Rosângela Aparecida Augusto I,II
2010
ABSTRACT OBJECTIVE: To evaluate the effectiveness of a governmental supplementary feeding program in child weight gain. METHODS: A cohort study including secondary data on 25,433 low-income children aged between six and 24 months, participating in a fortifi ed milk distribution program known as Projeto Vivaleite, was performed in the state of Sao Paulo, Southeastern Brazil, between 2003 and 2008. Weight gain was measured using weight-for-age z-score values, calculated according to the World Health Organization standards (2007). These values were obtained in the program routine, when a child started it and every four months during their stay. Children were divided into three z-score groups when starting the program: weight gain not compromised (z>-1); risk of low weight (-2 ≤z<-1); and low weight (z<-2). Multilevel linear regression (mixed model) was used, enabling the comparison, at each age, of adjusted mean z-scores between children starting the program and those who had been participating for at least four months, adjusted for correlation between repeated measurements.
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